I'd be careful investing in any bitcoin related product as they all come with risk to loss of principle. If you decide to take that risk here are some suggestions:
- You can convert to CLAMS and invest on Just Dice, I got pretty decent returns there for a while.
- BTCJam, I haven't used them in about a year but I was getting good returns by investing in A and B credit individuals.
Think to invest in a diverse field rather than in the same field. Also i would suggest you invest a minor portion of your total so as to have some cushioning in case of emergencies.